the us has done a number of things to iran, syria, even zimbabwe, they all did pervasive stronger sanctions against iran than north korea, even though north korea popped nuclear weapons and said its nuclear program is for military purposes. lou: we know that the unit 121 during the 1920s was working on sending four groups, four teams of covert special operations forces to this country, specifically to attack our nuclear facilitates. with that capability, if they have indeed created and sustained that capability, is that influencing us policy toward north korea, in your judgment? >> i think the -- it would be far more likely that north korea would do some kind of attack in the south. i don't think they would have carried out attacks against theaters in the u.s. and in that sense, i think the sony pulling of the film was a mistake. as well as some of the other -- movie companies that have pulled other films related to north korea. obviously, we have to be, you know, vigilant against north korean attacks. but i think it was an overreaction by sony. lou: as i've pointed out on this broadcast, i